linux-kernel - Re: [PATCH] NFS: Less function calls in show

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Date:   Wed, 3 Jul 2019 10:18:15 +0200 (CEST)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Markus Elfring <Markus.Elfring@....de>
cc:     linux-nfs@...r.kernel.org,
        Anna Schumaker <anna.schumaker@...app.com>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] NFS: Less function calls in show_pnfs()



On Tue, 2 Jul 2019, Markus Elfring wrote:

> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 2 Jul 2019 16:30:53 +0200
>
> Reduce function calls for data output into a sequence.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  fs/nfs/super.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/fs/nfs/super.c b/fs/nfs/super.c
> index f88ddac2dcdf..c301cd585b3b 100644
> --- a/fs/nfs/super.c
> +++ b/fs/nfs/super.c
> @@ -749,11 +749,10 @@ static void show_sessions(struct seq_file *m, struct nfs_server *server) {}
>  #ifdef CONFIG_NFS_V4_1
>  static void show_pnfs(struct seq_file *m, struct nfs_server *server)
>  {
> -	seq_printf(m, ",pnfs=");
> -	if (server->pnfs_curr_ld)
> -		seq_printf(m, "%s", server->pnfs_curr_ld->name);
> -	else
> -		seq_printf(m, "not configured");
> +	seq_printf(m, ",pnfs=%s",
> +		   server->pnfs_curr_ld
> +		   ? server->pnfs_curr_ld->name
> +		   : "not configured");

Unreadable.

julia

>  }
>
>  static void show_implementation_id(struct seq_file *m, struct nfs_server *nfss)
> --
> 2.22.0
>
>